| Acronym | Definition |
|---|
| IREF➣International Review of Economics and Finance (journal) |
| IREF➣Ischemia Research and Education Foundation |
| IREF➣Island Radio Expedition Foundation, Inc. |
| IREF➣India Rural Evangelical Fellowship (est. 1971; US and India) |
| IREF➣Islamic Research & Educational Foundation (India) |
| IREF➣International Real Estate Fund |
| IREF➣Infarct-Related Ejection Fraction (cardiology) |
| IREF➣Intégration des Énergies Renouvelables à la Ferme (French: Integration of Renewable Energy at the Farm; Canada) |